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  • An architecture for a function driven mechanical design solution library

    Creator:
    Wood, Stephen L.
    Abstract:
    The engineering design process and the advancement of future computer-aided-design systems need new design aids to be used during the conceptual design phase. This design phase is where information gathering and understanding of the problem are developed, analyzed and broken into small more manageable elements. These elements consist of customer...
    Resource Type:
    Dissertation
    Full Text:
    solution library research. Section 2.1 reviews the European and American schools of design theory used

  • Airborne sampling of particles emitted to the atmosphere from Kraft paper mill processes and their characterization by electron microscopy

    Creator:
    Augustine, Frank Edward
    Abstract:
    A high volume sampling system, employing Nuclepore filters and designed for sampling particulate in the plumes from industrial sources using a light aircraft, is described. The effluent of kraft paper mills was sampled using this system and then analyzed by electron microscopy. Size distributions of particles were obtained at several...
    Resource Type:
    Dissertation
    Full Text:
    Airborne Sampling 7 Application of Electron Microscopy to Air Pollution Research 10 Particulate Sizing and

  • Evaluation of total hip arthroplasty research in the US and Europe

    Creator:
    Simmons, Marcy J.
    Abstract:
    Background: Hip replacements are considered routine operations which improve the quality of life in patients by reducing pain and restoring function. There are many variations in prostheses with varying benefits and disadvantages. Methods: Literature from the United States and Europe was collected on total hip replacements between 2001 and the...
    Resource Type:
    Research Paper
    Full Text:
    Simmons 1 Evaluation of Total Hip Arthroplasty Research in the US and Europe by Marcy J

  • Feasibility of utilizing an integrating nephelometer to measure visibility

    Creator:
    Nelson, William George
    Abstract:
    An integrating nephelometer was set up at the Eugene Airport which is located five miles north of Eugene, Oregon, on Highway 99 West. Continuous atmospheric scattering coefficient readings were obtained from July 1, 1969, to August 28, 1969. These data are converted to meteorological range through the use of the...
    Resource Type:
    Masters Thesis
    Full Text:
    Meteorology Research, Inc. under license from the Battelle Development Corpo- ration. The basic function of

  • Partial recirculation of diesel engine exhaust for the reduction of oxides of nitrogen

    Creator:
    Addicott, Donald James
    Abstract:
    Oxides of nitrogen are a concern as effluents to atmospheres because they participate in photochemical reactions which produce smog, because they attenuate sunlight which gives the atmosphere a reddish brown cast, and because of their toxic properties and the health hazards associated with the photochemical products they produce. Oxides of...
    Resource Type:
    Masters Thesis
    Full Text:
    Partial recirculation of diesel engine exhaust for the

  • Assessing Mass Diffusion Modeling in Premixed Flames

    Creator:
    Fillo, Aaron J.
    Abstract:
    Implementing multicomponent diffusion in numerical combustion studies is computationally expensive due to the challenges involved in computing diffusion coefficients. As a result, mixture-averaged diffusion treatments or simpler methods are used to avoid these costs. However, the accuracy and appropriateness of the mixture-averaged diffusion model has not been verified for three-dimensional...
    Resource Type:
    Dissertation
    Full Text:
    will become part of the permanent collection of Oregon State University libraries. My signature below

  • Quality driven collaborative decision making for product development under the influence of trustworthiness

    Creator:
    Meier, Stefan
    Abstract:
    The focus of this study is the effective prioritization of customer requirements in collaborative product development. The CR priorities are often retrieved by questioning and interviewing targeted customers. But the targeted customer might not always be easily questioned, because they might not always be obvious or clearly known. If customers...
    Resource Type:
    Masters Thesis
    Full Text:
    thesis will become part of the permanent collection of Oregon State University libraries. My signature

  • Light Pollution and the Limiting Visual Magnitude in Corvallis, Oregon

    Creator:
    Grellmann, Carsten Christof
    Abstract:
    This study sought to ascertain the degree to which the night sky of Corvallis is affected by light pollution by determining the limiting visual magnitude. Defined as the brightness of the dimmest star that can be seen with the averted naked eye, the limiting visual magnitude establishes a quantitative standard...
    Resource Type:
    Honors College Thesis
    Full Text:
    Boulevard and Van Buren Street, the Valley Library Quad, and Riverfront Park from the months of November

  • Computational Modeling of Smoldering Combustion in Wildland Fuels

    Creator:
    Jayasuriya, Waduge Jayani A.
    Abstract:
    Smoldering combustion in wildland fires is a critical phenomenon that needs in-depth study because it can initiate with weaker ignition sources, can persist for long periods, is difficult to suppress, and can transit to flaming combustion. Cellulose, hemicellulose, and lignin are the major organic constituents within biomass, in varying proportions...
    Resource Type:
    Dissertation
    Full Text:
    the permanent collection of Oregon State University libraries. My signature below authorizes release

  • Exploring experimental test stand design and operation within a system reliability research methodology

    Creator:
    Koopmans, Michael, 1986-
    Abstract:
    In cases where complex systems routinely experience extreme operating conditions, preventative maintenance is often employed to guard against system failure. Yet, with accessible real-time data and the standard practice becoming prohibitively expensive, the test stand can serve as a vital contributor to the development of system health and reliability estimations....
    Resource Type:
    Masters Thesis
    Full Text:
    contributor to the development of system health and reliability estimations. Utilizing a research methodology